21 August 2014, 10:51 AM ET
Environmental activist Hilton Kelley tours his childhood home in Port Arthur, Texas now abandoned due to toxic chemicals from refineries at the terminus of the proposed Keystone XL Pipeline.
20 August 2014, 05:20 PM ET
Military personnel who fly drones, and may be stationed far from the battlefields and bloodshed of war, may still suffer PTSD after their tours of duty, a new study finds.
20 August 2014, 04:39 PM ET
A new ad campaign in Colorado that likens people who smoke marijuana to "lab rats" is intended to steer teens away from using pot, but some communication experts say the campaign is unlikely to be effective.
20 August 2014, 02:33 PM ET
The toxin used commonly for beauty treatment may prove useful in treating stomach cancers, new research in mice suggests.
20 August 2014, 01:32 PM ET
Trials that test some types of alternative medicine, such as homeopathy and Reiki, should be stopped because the therapies are not grounded in science, some researchers argue.
20 August 2014, 11:46 AM ET
The 2003 RAVE Act has made club promoters reluctant to take safety measures such as offering water or having medics at electronic music dance parties.
20 August 2014, 10:40 AM ET
The birth rates of U.S. teens continues to decline, and hit a new historic low in 2013, according to a new report from the Centers for Disease Control and Prevention.
20 August 2014, 09:23 AM ET
Emergency doctors may soon see more cases of what appears to be a heroin overdose but is actually related to the deadly and relatively new designer drug acetyl fentanyl, a researcher says.
20 August 2014, 02:51 AM ET
Cavities, also referred to tooth decay or caries, are holes in the teeth. Cavities are the second-most common health disorder in the United States.
20 August 2014, 12:07 AM ET
Discovery of the Arc gene and its like-named protein is leading to breakthroughs in how memories form and are recalled as well as giving hope to developing treatments for memory disorders like Alzheimer’s.
19 August 2014, 08:27 PM ET
If diagnosed with cancer, these questions can help you "prepare for battle."
19 August 2014, 05:01 PM ET
Pregnant? Then you should get a flu shot, according to new guidelines from the American College of Obstetricians and Gynecologists.
19 August 2014, 04:18 PM ET
The Runtastic Orbit is a fitness tracker that monitors both daily activity and sleep habits, but does it stand out from other fitness trackers?
19 August 2014, 03:45 PM ET
About a third of people who buy a smart wearable, such as a fitness tracker or smartwatch, abandon the device after six to 12 months, according to a recent poll.
18 August 2014, 05:11 PM ET
Americans living in politically liberal states and those in conservative states have an equally low understanding of abortion's health effects and the laws regarding the procedure, a new national survey finds.
18 August 2014, 04:27 PM ET
There's a lot of research that indicates aspirin is good for many ailments, but it can have side effects.
18 August 2014, 04:27 PM ET
The rates of hospitalizations and deaths from heart disease and stroke in the U.S. have declined dramatically in the past two decades, a new study has found.
18 August 2014, 03:58 PM ET
The iconic, walnut shape of our brains may depend on two simple physical parameters, researchers say.
18 August 2014, 03:00 PM ET
The standard polio vaccine may not always work, according to a new study showing vaccinations didn't prevent polio in people in the Republic of the Congo during an outbreak there in 2010.
18 August 2014, 02:02 PM ET
The chance that a person with Ebola will spread the disease on an airplane is small, according to a new statement from the World Health Organization.
18 August 2014, 08:43 AM ET
While difficult to diagnose, sepsis tops the list of causes of death in American intensive care units. Researchers are working at many levels to find better ways to diagnose and treat this severe condition.
17 August 2014, 02:18 PM ET
People with one type of hair loss, called alopecia areata, could benefit from treatment with a drug called ruxolitinib, according to a new study. In early experiments, hair regrew in people with the condition.
15 August 2014, 08:31 PM ET
Huge, powerful computer models are helping scientists predict the spread of a deadly virus, dengue fever.
15 August 2014, 07:04 PM ET
The U.S. Defense Advanced Research Projects Agency is asking innovators to build models that predict the spread of chikungunya virus across the Americas, and take home $150,000.
15 August 2014, 05:35 PM ET
It may be common for psychiatric patients who are Muslim to attribute their hallucinations or other symptoms to jinn, the invisible devilish creatures in Islamic mythology, researchers in the Netherlands have found.
15 August 2014, 01:43 PM ET
An experimental nano silver medication that Nigeria is planning to give to Ebola patients is unlikely to work.
15 August 2014, 11:46 AM ET
Newly discovered patterns in old outbreaks of childhood diseases, such as diphtheria and scarlet fever, could help modern disease fighters.
15 August 2014, 10:10 AM ET
Iran's parliament has recently voted to ban permanent forms of birth control, such as vasectomy, in a bid to improve country's declining birth rate. Experts find the move a bad policy, and borderline unethical.
14 August 2014, 06:34 PM ET
There is no approved treatment for the Ebola virus, but that hasn't stopped online dealers from offering products claiming to prevent the virus or treat people who have the infection.
14 August 2014, 06:30 PM ET
A new vaccine against chikungunya, a virus that can cause severe joint pain, which showed up in the United States for the first time this year, shows promise in early tests in people, according to a new study.
14 August 2014, 06:08 PM ET
A new mother in Oregon wants to breastfeed her baby even though she regularly smokes marijuana, but experts say they would be concerned about the risks of the drug to the baby's brain.
14 August 2014, 05:39 PM ET
Actor Robin Williams was experiencing the early symptoms of Parkinson's disease before he committed suicide on Monday, according to news reports.